137261872 has 40 divisors (see below), whose sum is σ = 300137040. Its totient is φ = 60238080.

The previous prime is 137261857. The next prime is 137261879. The reversal of 137261872 is 278162731.

It is not an unprimeable number, because it can be changed into a prime (137261879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8343 + ... + 18550.

It is an arithmetic number, because the mean of its divisors is an integer number (7503426).

Almost surely, 2^137261872 is an apocalyptic number.

It is an amenable number.

137261872 is an abundant number, since it is smaller than the sum of its proper divisors (162875168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137261872 is a wasteful number, since it uses less digits than its factorization.

137261872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26941 (or 26935 counting only the distinct ones).

The product of its digits is 28224, while the sum is 37.

The square root of 137261872 is about 11715.8811875164. The cubic root of 137261872 is about 515.8419282252.

The spelling of 137261872 in words is "one hundred thirty-seven million, two hundred sixty-one thousand, eight hundred seventy-two".